The problem of modern society is it turns the whole world into a school. Everybody's wearing jeans, everybody's the same. And yet, they're not. So there's a spirit of equality combined with deep inequality, which can make for a very stressful situation.

最平凡的人生，细细审视，也会变得非凡。

数学之美不在于其复杂性，而在于其简洁性以及它揭示隐藏真理的方式。

经济增长的未来在于利用信息和技术的力量推动创新和生产力。

I want to liberate America from fear. I want people to feel free to express themselves.

Quality is not a destiny; it is a design.